He's referring to his struggle with methamphetamines. My name being Annie, I've learned that certain types of meth are made with anhydrous ammonia and are given the slang name "Annie" with other variations, like "Annie dope" or in this case "Annie-dog"
ncG1vNJzZmivp6x7rcXRopqipqSav7G%2BxK2YraGfo8Bvr86mZqylkai1qrrGZqeupaCgtq%2B%2Fjpqlp6GVYrGwsw%3D%3D